In response to stakeholder questions regarding technical aspects of the EDSP Tier 1 assays, EPA has developed a clarification document (PDF)(37pp, 622K) to answer these questions.

A fact sheet for each assay, if available, can be accessed by clicking on the assay name in the table below. Note that information related to scientific peer review and regulatory
acceptance and implementation will be posted when it becomes available.

You will need the free Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more. If you need help accessing these PDF documents, please contact William Wooge at 202-564-8476 or wooge.william@epa.gov for assistance.

Some of the documents presented may not be accessible
using alternative access devices. If you need access to these documents
please contact William Wooge at 202-564-8476. We will post accessible
documents as soon as possible.

Documents presented on this page may be in Microsoft PowerPoint (PPT), Microsoft Excel (XLS), or Lotus Freelance Format (PRZ). To view or print them you will need to have their associated programs installed on your computer. The programs can be downloaded and used with no charge from the following links.